<template>
  <div class="display-search-div">
    <div class="header">
      <slot name="header"></slot>
    </div>
    <el-form class="display-search-form">
      <el-row>
        <template v-for="item in formItems" :key="item.label">
          <el-col
            v-bind="item.colLayout || colLayout"
            v-if="!(item.vIf === false) && (!showToggle || !item.defaultHidden || isToggle)"
          >
            <el-form-item
              v-if="!item.isHidden"
              :label="item.label"
              :rules="item.rules"
              :style="item.itemStyle || itemStyle"
              :label-width="item.labelWidth || labelWidth"
            >
              <template v-if="item.type === 'input' || item.type === 'password'">
                <el-input
                  :placeholder="item.placeholder"
                  v-bind="item.otherOptions"
                  :show-password="item.type === 'password'"
                  v-model="subModelValue[`${item.field}`]"
                  @keyup.enter="queryData"
                />
              </template>
              <template v-else-if="item.type === 'select'">
                <el-select
                  clearable
                  popper-class="detailselect"
                  :placeholder="item.placeholder"
                  v-bind="item.otherOptions"
                  style="width: 100%"
                  v-model="subModelValue[`${item.field}`]"
                >
                  <el-option
                    v-for="option in codeCollection[`${item.field}`] || []"
                    :key="option.value"
                    :value="option.value"
                    :label="option.title"
                  ></el-option>
                </el-select>
              </template>
              <template v-else-if="item.type === 'datepicker'">
                <el-date-picker
                  style="width: 100%"
                  v-bind="item.otherOptions"
                  v-model="subModelValue[`${item.field}`]"
                ></el-date-picker>
              </template>
            </el-form-item>
          </el-col>
        </template>
        <el-col :span="6">
          <el-form-item :style="itemStyle">
            <template #label>
              <div
                v-if="showToggle"
                class="ml10"
                @click="isToggle = !isToggle"
                style="display: flex; align-items: center; color: rgb(64 158 255); cursor: pointer"
              >
                <span>{{ isToggle ? "收筛选" : "展筛选" }}</span>
                <el-icon>
                  <ArrowUp v-if="isToggle" />
                  <ArrowDown v-else />
                </el-icon>
              </div>
            </template>
            <el-button type="primary" @click="queryData"> 查询 </el-button>
            <el-button type="warning" @click="resetQueryData"> 重置 </el-button>
            <el-button
              type="success"
              v-if="showExportExcel"
              @click="exportExcel"
              :loading="exportExcelLoading"
              :disabled="exportExcelLoading"
            >
              导出
            </el-button>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>
    <div class="footer">
      <slot name="footer"></slot>
    </div>
  </div>
</template>

<script>
import { ref } from "vue";
import { ArrowUp, ArrowDown } from "@element-plus/icons-vue";
export default {
  components: {
    ArrowUp,
    ArrowDown
  },
  props: {
    modelValue: {
      type: Object,
      required: true
    },
    formItems: {
      type: Array,
      default: () => []
    },
    labelWidth: {
      type: String,
      default: "80px"
    },
    itemStyle: {
      type: Object,
      default: () => ({ padding: "10px 40px" })
    },
    showExportExcel: {
      //是否显示导出excel按钮
      type: Boolean,
      require: false,
      default: () => false
    },
    exportExcelLoading: {
      //导出excel按钮是否在加载中
      type: Boolean,
      require: false,
      default: () => false
    },
    colLayout: {
      type: Object,
      default: () => ({
        xl: 6,
        md: 12,
        sm: 24,
        xs: 24
      })
    },
    showSearch: {
      type: Boolean,
      required: false,
      default: () => true
    }
  },
  emits: ["update:modelValue", "queryData", "resetQueryData", "exportExcel"],
  setup(props, { emit }) {
    const showToggle = ref(false); //是否展示折叠搜索条件
    const isToggle = ref(false); //折叠状态,默认是false,收起的
    const codeCollection = ref({});
    const subModelValue = ref({});
    const queryData = () => {
      emit("update:modelValue", JSON.parse(JSON.stringify(subModelValue.value)));
      emit("queryData");
    };
    const resetQueryData = () => {
      subModelValue.value = {};
      emit("resetQueryData");
    };
    const exportExcel = () => {
      emit("exportExcel");
    };
    const apendCodeAndJudgeShowToggle = async () => {
      for (const item of props.formItems) {
        //1.判断是否需要显示'是否展示折叠搜索条件'
        if (item.defaultHidden) {
          //如果有一个搜索项是需要隐藏的,那么'是否展示折叠搜索条件'的值为true
          showToggle.value = true;
        }
        //2.初始化搜索条件需要的code
        if (item.type === "select") {
          let options = item.options;
          if (options instanceof Array) {
            codeCollection.value[`${item.field}`] = options;
          } else if (typeof options === "function") {
            codeCollection.value[`${item.field}`] = (await options()) || [];
          }
        }
      }
    };
    apendCodeAndJudgeShowToggle();
    return {
      queryData,
      resetQueryData,
      subModelValue,
      codeCollection,
      exportExcel,
      showToggle,
      isToggle
    };
  }
};
</script>
<style scoped>
:deep() .el-form-item__content {
  flex-wrap: nowrap;
}
</style>
